#others.py
l1 = [1,2]
l2 = [1,2,3]
l3 = l1 + l2  #加法
print(l3)

l3 = l1.__mul__(2)
traverse(l3)
traverse(l2)
l4 = l1 * 2  #语法蜜糖
traverse(l4)
traverse(l1)


l3 = l1 * 2  #乘法
print(l3)

l3 = l1.__mul__(3) #比较大小
print(l3)

print(l1<l2)